96 Buick #4 misfire, still chasing the problem
"sdlomi2" > wrote in
:
>
> > wrote in message
> oups.com...
>>I don't know about the bad injector. They did a pressure test and all
>> looked good. Also, that is why I was listening to each injector to
>> see if I could hear a difference. I am really wondering if I am
>> seeing a misfire or could something else be causeing the rough idle.
>
> Yes, a vacuum leak can cause a rough idle that can easily be
> mistaken
> for a miss. s
>
>
>
In a feedback FI system? In my experience an air leak in a feedback FI unit
results in elevated or fluctuating idle.
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TeGGeR®
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